Neat integer sequences
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Here's the other 39, and they all have an order of 2 or 4 (from cflmath.com/Polyomino/re... ):
April 19, 2025 at 7:04 PM
Here's the other 39, and they all have an order of 2 or 4 (from cflmath.com/Polyomino/re... ):
The Luoshu Square, the only solution for n=3, has been certainly known since the 6th century, and possibly hundreds of years longer than that.
en.wikipedia.org/wiki/Luoshu_...
en.wikipedia.org/wiki/Luoshu_...
February 27, 2025 at 3:29 PM
The Luoshu Square, the only solution for n=3, has been certainly known since the 6th century, and possibly hundreds of years longer than that.
en.wikipedia.org/wiki/Luoshu_...
en.wikipedia.org/wiki/Luoshu_...